<template>
  <div class="container">
    <div class="app-container">
      <div class="building-container">
        <!-- 搜索区域 -->
        <div class="search-container">
          <div class="search-label">企业名称：</div>
          <el-input v-model="params.name" clearable placeholder="请输入内容" class="search-main" @click="onSearch" />
          <el-button type="primary" @click="onSearch">查询</el-button>
        </div>
        <!-- 添加加企业 -->
        <div class="create-container">
          <el-button type="primary" @click="$router.push('/add')">添加企业</el-button>
        </div>
        <!-- 表格区域 -->
        <div class="table">
          <el-table :data="exterpriseList" style="width: 100%" @expand-change="expandHandle">
            <!-- 新增：展开部分 -->
            <el-table-column type="expand">
              <template #default="{row}">
                <el-table :data="row.rentList">
                  <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
                  <el-table-column label="租赁起始时间" prop="startTime" />
                  <el-table-column label="合同状态" prop="status">
                    <template #default="scope">
                      <el-tag :type="formatInfoType(scope.row.status)">
                        {{ formatStatus(scope.row.status) }}
                      </el-tag>
                    </template>
                  </el-table-column>
                  <el-table-column label="操作" width="180">
                    <template #default="scope">
                      <el-button size="mini" type="text">续租</el-button>
                      <el-button size="mini" type="text" :disabled="scope.row.status === 3" @click="outRent(scope.row.id)">退租</el-button>
                      <el-button size="mini" type="text" :disabled="!(scope.row.status === 3)">删除</el-button>
                    </template>
                  </el-table-column>
                </el-table>
              </template>
            </el-table-column>
            <el-table-column type="index" label="序号" />
            <el-table-column prop="name" label="企业名称" width="320" />
            <el-table-column prop="contact" label="联系人" />
            <el-table-column
              prop="contactNumber"
              label="联系电话"
            />
            <el-table-column label="操作">
              <template #default="scope">
                <el-button size="mini" type="text" @click="addRent(scope.row.id)">添加合同</el-button>
                <el-button size="mini" type="text" @click="$router.push(`/exterpriseDetail?id=${scope.row.id}`)">查看</el-button>
                <el-button size="mini" type="text" @click="editRent(scope.row.id)">编辑</el-button>
                <el-button size="mini" type="text" @click="delExterprise(scope.row.id)">删除</el-button>
              </template>
            </el-table-column>
          </el-table>
        </div>
        <!-- 分页区域 -->
        <div class="page-container">
          <el-pagination
            layout="total, prev, pager, next,sizes"
            :total="total"
            :page-sizes="[1,5,8,10]"
            :page-size="params.pageSize"
            @current-change="pageChange"
            @size-change="sizeChangeFn"
          />
        </div>
        <!-- 添加合同弹框 -->
        <el-dialog title="添加合同" :visible="rentDialogVisible" width="580px" @close="closeDialog">
          <!-- 添加合同内容表单 -->
          <div class="form-container">
            <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
              <el-form-item label="租赁楼宇" prop="buildingId">
                <el-select v-model="rentForm.buildingId" placeholder="请选择租赁的楼宇">
                  <el-option
                    v-for="item in buildList"
                    :key="item.id"
                    :label="item.name"
                    :value="item.id"
                  />
                </el-select>
              </el-form-item>
              <el-form-item label="租赁起止日期" prop="rentTime">
                <el-date-picker
                  v-model="rentForm.rentTime"
                  type="daterange"
                  range-separator="至"
                  start-placeholder="开始日期"
                  end-placeholder="结束日期"
                  value-format="yyyy-MM-dd"
                />
              </el-form-item>
              <el-form-item label="租赁合同" prop="contractId">
                <el-upload
                  action="#"
                  :http-request="uploadHandle"
                  :before-upload="beforeUpload"
                  :file-list="contractList"
                >
                  <el-button size="small" type="primary" plain>上传合同文件</el-button>
                  <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
                </el-upload>
              </el-form-item>
            </el-form>
          </div>
          <!-- 底部表单区域 -->
          <div class="form-container" />
          <template #footer>
            <el-button size="mini" @click="closeDialog">取 消</el-button>
            <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
          </template>
        </el-dialog>
      </div>
    </div>
  </div>
</template>

<script>
import { createRentApi, delEnterpriseApi, getEnterpriseListAPi, getRentBuildListApi, getRentListApi, outRentApi, uploadApi } from '@/api/park'

export default {
  data() {
    return {
      name: 'Building',
      exterpriseList: [],
      params: {
        page: 1, // 当前页数
        pageSize: 10,
        name: ''
      },
      total: 0, // 每页几条数据
      rentDialogVisible: false, // 控制弹框的显示与隐藏
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      buildList: [], // 未租赁楼宇列表
      contractList: [], // 合同文件列表
      rentRules: {
        buildingId: [
          { required: true, message: '请选择租赁楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁起止日期', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传租赁合同' }
        ]
      },
      // 格式化 tag 类型
      formatInfoType(status) {
        const MAP = {
          0: 'warning',
          1: 'success',
          2: 'info',
          3: 'danger'
        }
        // return 格式化之后的中文显示
        return MAP[status]
      },
      // 格式化 status
      formatStatus(type) {
        const TYPEMAP = {
          0: '待生效',
          1: '生效中',
          2: '已到期',
          3: '已退租'
        }
        return TYPEMAP[type]
      }

    }
  },
  mounted() {
    this.getEnterpriseList()
  },
  methods: {
    // 获取列表
    // 2. 初始化时增加合同数据默认列表
    async getEnterpriseList() {
      const res = await getEnterpriseListAPi(this.params)

      this.exterpriseList = res.rows.map((item) => {
        return {
          ...item,
          rentList: [] // 每一行补充存放合同的列表
        }
      })
      this.total = res.total
    },
    // 分页
    pageChange(page) {
    // 更改参数
      this.params.page = page
      // 重新获取数据渲染
      this.getEnterpriseList()
    },
    // 分页（几条一页）
    sizeChangeFn(pageSize) {
      // console.log(pageSize)
      this.params.pageSize = pageSize
      this.getEnterpriseList()
    },
    // 查询
    onSearch() {
      this.params.page = 1
      this.getEnterpriseList()
    },
    // 编辑
    editRent(id) {
      this.$router.push({
        path: '/add',
        query: {
          id
        }
      })
    },
    // 删除
    delExterprise(id) {
      this.$confirm('确认删除该企业吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delEnterpriseApi(id)
        this.getEnterpriseList()
        // this.$message.success('删除企业成功')
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      })
    },
    // 控制弹窗现实与隐藏
    async addRent(id) {
      this.rentDialogVisible = true
      // 获取楼宇下拉列表
      const res = await getRentBuildListApi()
      this.buildList = res
      // 把企业id存入表单对象
      this.rentForm.enterpriseId = id
    },
    closeDialog() {
      this.rentDialogVisible = false
    },
    async confirmAdd() {
      await this.$refs.addForm.validate()
      const { buildingId, contractId, contractUrl, enterpriseId, type } = this.rentForm
      await createRentApi({
        buildingId, contractId, contractUrl, enterpriseId, type,
        startTime: this.rentForm.rentTime[0],
        endTime: this.rentForm.rentTime[1]
      })
      this.$message.success('添加合同成功')
      this.getEnterpriseList()
      this.rentDialogVisible = false
      // 重置表单
      this.$refs.addForm.resetFields()
      this.rentForm.contractUrl = ''
      this.rentForm.contractId = ''
      this.contractList = []
    },
    // 上传前验证
    beforeUpload(file) {
      const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5
      if (!allowImgType) {
        this.$message.error('上传合同文件只能是 .doc, .pdf 格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同文件大小不能超过 5MB!')
      }
      return allowImgType && isLt5M
    },
    // 上传合同
    async uploadHandle(fileData) {
      // 1. 处理FormData
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 'contract')
      // 2. 上传并赋值
      const res = await uploadApi(formData)
      const { id, url } = res
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({ name: file.name, url: url })
      // 单独校验表单
      this.$refs.addForm.validateField('contractId')
    },
    // 只有展开时获取数据并绑定
    // row: 当前展开那行表格的数据对象
    // rows：当前已展开的所有行表格的数据对象的集合
    async expandHandle(row, rows) {
      // rows 中包含当前展开行数据，说明是展开状态
      const isExpend = rows.find(item => item.id === row.id)
      // 因为展开/关闭都会触发此事件函数，做个判断只有展开时获取数据
      if (isExpend) {
        const res = await getRentListApi(row.id)
        res.forEach(obj => {
          row.rentList.push(obj)
        })
      } else {
        // 关闭时，把当前行的合同列表清空，防止下次打开时不断 push 叠加
        row.rentList.splice(0)
      }
    },
    outRent(rentId) {
      this.$confirm('确认退租吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 1. 调用接口
        await outRentApi(rentId)
        // 2. 重新拉取列表
        this.getEnterpriseList()
        this.$message({
          type: 'success',
          message: '退租成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.building-container {
  padding: 20px;
  background-color: #fff;
}
.department-container {
  padding: 10px;
}
.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  ;
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container{
  margin: 10px 0px;
}
.page-container{
  padding:4px 0px;
  text-align: right;
}
.form-container{
  padding:0px 80px;
}
</style>
